CET-BIOLOGY-JNK-2008 Questions and Answers

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Showing 10 of 74 questions
Q1
Stem is modified into cladode :
  • A Casuarina
  • B Asparagus
  • C Opuntia
  • D Euphorbia
Answer: Option B
Q2
A simple one seeded fruit in which pericarp is fused with seed coat is :
  • A Achene
  • B Caryopsis
  • C Cypsela
  • D Nut
Answer: Option B
Q3
The portion of DNA which contains information for an entire polypeptide is called :
  • A Cistron
  • B Muton
  • C Recon
  • D Operon
Answer: Option A
Q4
Bicarpellary, syncarpous ovary with axile placentation is seen in :
  • A Solanaceae
  • B Caesalpinaceae
  • C Asteraceae
  • D Malvaceae
Answer: Option A
Q5
Alburnum is also called :
  • A Autumn wood
  • B Heart wood
  • C Sap wood
  • D Spring wood
Answer: Option C
Q6
The entry of pollen tube into the ovule through micropyle is called :
  • A Porogamy
  • B Mesogamy
  • C Anisogamy
  • D Chalazogamy
Answer: Option A
Q7
Type of pollination in Commelina is :
  • A Chasmogamy
  • B Geitonogamy
  • C Xenogamy
  • D Cleistogamy
Answer: Option D
Q8
The process of embryo formation without fertilization is known as :
  • A Apospory
  • B Apogamy
  • C Parthenocarpy
  • D Polyembryony
Answer: Option B
Q9
Which of the process Cholodny-Went theory is concerned with ?
  • A Photomorphogenesis
  • B Photoperiodism
  • C Phototropism
  • D Photorespiration
Answer: Option C
Q10
The hormone present in the liquid endosperm of coconut is :
  • A Cytokinin
  • B Gibberellin
  • C Ethylene
  • D Auxin
Answer: Option A

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